Texas Severe Storms Association - TESSA

03/11/2026

From TESSA 2026. Scott Rae and Martin Lisius talk about the DFW EF5 Tornado Scenario on Spectrum News. https://spectrumlocalnews.com/tx/south-texas-el-paso/news/2026/03/10/officials-do-simulations-as-severe-weather-season-begins?fbclid=IwY2xjawQewUlleHRuA2FlbQIxMQBzcnRjBmFwcF9pZBAyMjIwMzkxNzg4MjAwODkyAAEe-z3nUfpDQ2QtXH0yF-VrMDl-NQ4KeS-ZKG-FtTCOma6mL8PoTBzuc6mzgMA_aem_DapZR6ZzrNysKTY4pNGDyg

Texas frequently experiences extreme weather, including powerful tornadoes and devastating floods such as the Hill Country flooding in 2025. Storm experts say these events highlight the need for constant preparation and improved forecasting.

03/11/2026

Scott, Rich and Roger at TESSA 2026. 😃

03/08/2026

Rich Thompson from the Storm Prediction Center spoke to CBS11 yesterday at the TESSA conference. His message, be prepared.

Emergency management officials are discussing DFW’s worst-case scenarios as storm season begins. “You need to have a plan,” Rich Thompson with the Storm Prediction Center said. “You need to have a source for forecast information that you trust. Once you have that information, you need to kno...

03/08/2026

🌪️ WORST TORNADO “SHELTER”OPTIONS:

- A mobile home.
- A car or truck.
- Near a window.

03/08/2026

🌪️ 2 BEST TORNADO SHELTER OPTIONS:

1. A shelter designed to withstand EF5 winds.

2. The smallest, most-interior room on the lowest floor of a sturdy, site-built structure.

03/08/2026

DFW CBS11 interviews TESSA Chairman Martin Lisius at the conference yesterday. Martin wants folks in DFW to know that they ARE in Tornado Alley. https://www.cbsnews.com/texas/video/experts-discuss-severe-weather-preparation-at-national-storm-conference-at-ut-arlington/

“DFW is the area of the highest activity for violent class of tornadoes in the whole world,” Texas Severe Storms Association Chairman Martin Lisius said. “So, we are very much in tornado alley.”

03/08/2026

THANKS to everyone who helped make TESSA 2026 a big success!

03/08/2026

TESSA 2026: Time for BBQ! After the conference today, we had a fun gathering in the banquet room at Spring Creek Barbeque in Arlington.

03/08/2026

TESSA 2026: Weather fans of all ages attended our event today. Students, storm chasers and spotters, forecasters and researchers were all there to enjoy a day of severe weather education, fun, and friendship. Several attendees said it was the best TESSA conference ever. Thanks to all that came out, presented and supported!!!

03/08/2026

TESSA 2026: Dr. Tim Logan, Associate Professor, Texas A&M University delivered a talk today titled, “Employing pseudo-dynamic metrics derived from lightning to diagnose tornadic supercell thunderstorm electrical behavior” which explores the tornado-lightning connection.

03/08/2026

TESSA 2026: Cameron Nixon, Research Scientist at OU/CIWRO, delivered an excellent presentation today titled, “Storm Interactions and the Nudger Theory" about thunderstorm mergers and “nudgers” and their role they play in tornado activity.